<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'

require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    },
    option: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null,
      normalSerie: {
        type: 'pie',
        roseType: 'radius',
        radius: [15, 70],
        center: ['50%', '50%'],
        data: [],
        animationEasing: 'cubicInOut',
        animationDuration: 2600
      },
      normalOption: {
        tooltip: {
          trigger: 'item',
          formatter: '{a} <br/>{b} : {c} ({d}%)'
        },
        legend: {
          left: 'center',
          bottom: '10',
          data: []
        },
        series: []
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      // this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      const option = this.option
      if (option.series || option.series.length > 0) {
        option.series = option.series.map(v => {
          return Object.assign({}, this.normalSerie, v)
        })
      }
      this.chart.setOption(Object.assign({}, this.normalOption, option))
    }
  }
}
</script>
